[INFO] cloning repository https://github.com/dehasi/raytrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dehasi/raytrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdehasi%2Fraytrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdehasi%2Fraytrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e2e90bcf8642ab99340e45d4b1d4da681dff4363
[INFO] checking dehasi/raytrace against try#e983148bd5f0f0db270bfb72149f5e892e68b67f for pr-150322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdehasi%2Fraytrace" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dehasi/raytrace
[INFO] finished tweaking git repo https://github.com/dehasi/raytrace
[INFO] tweaked toml for git repo https://github.com/dehasi/raytrace written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dehasi/raytrace on toolchain e983148bd5f0f0db270bfb72149f5e892e68b67f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dehasi/raytrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ba73e28b3714c5526d2a0601c9844c2de55281ba635a2c5f486f4bbbd91df52
[INFO] running `Command { std: "docker" "start" "-a" "3ba73e28b3714c5526d2a0601c9844c2de55281ba635a2c5f486f4bbbd91df52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba73e28b3714c5526d2a0601c9844c2de55281ba635a2c5f486f4bbbd91df52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba73e28b3714c5526d2a0601c9844c2de55281ba635a2c5f486f4bbbd91df52", kill_on_drop: false }`
[INFO] [stdout] 3ba73e28b3714c5526d2a0601c9844c2de55281ba635a2c5f486f4bbbd91df52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+e983148bd5f0f0db270bfb72149f5e892e68b67f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ced7e9c8a93fd2312cee4ff3cecd51dbd182b731e20cf6409dc7a4bb22b6dd
[INFO] running `Command { std: "docker" "start" "-a" "71ced7e9c8a93fd2312cee4ff3cecd51dbd182b731e20cf6409dc7a4bb22b6dd", kill_on_drop: false }`
[INFO] [stderr]     Checking raytrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/camera.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::hittable::{HitRecord, Hittable};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dummy`
[INFO] [stdout]  --> src/sphere.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::{Dummy, Material};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_color`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use color::{Color, write_color};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |       /// loop
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 59 | /     for a in -11..11 {
[INFO] [stdout] 60 | |         for b in -11..11 {
[INFO] [stdout] 61 | |             let choose_mat = random_double();
[INFO] [stdout] 62 | |             let center = Point3::new(
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     /// loop
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 90 |     let material1 = Rc::new(Dielectric::new(1.5));
[INFO] [stdout]    |     ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/material.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn hit_sphere(center: Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ray_color` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn ray_color(r: Ray, world: &impl Hittable) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/camera.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     pub aspect_ratio: f64,      // 1.0
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub vfov: f64,              // 90
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub lookfrom: Point3,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub lookat: Point3,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub vup: Vec3,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 20 |     pub defocus_angle: f64, // Variation angle of rays through each pixel
[INFO] [stdout] 21 |     pub focus_dist: f64,    // Distance from camera lookfrom point to plane of perfect focus
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     u: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 30 |     v: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable_list.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `EMPTY`, `UNIVERSE`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  9 |     // constants
[INFO] [stdout] 10 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `albedo` is never read
[INFO] [stdout]   --> src/material.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Dummy {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 19 |     pub albedo: Color,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `infinity` is never used
[INFO] [stdout]  --> src/rtweekend.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const infinity: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `intensity` should have an upper case name
[INFO] [stdout]   --> src/color.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const intensity: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 21 -     const intensity: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout] 21 +     const INTENSITY: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `infinity` should have an upper case name
[INFO] [stdout]  --> src/rtweekend.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const infinity: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper case: `INFINITY`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `pi` should have an upper case name
[INFO] [stdout]  --> src/rtweekend.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const pi: f64 = std::f64::consts::PI;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub const pi: f64 = std::f64::consts::PI;
[INFO] [stdout] 4 + pub const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HitRecord`
[INFO] [stdout]  --> src/camera.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::hittable::{HitRecord, Hittable};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dummy`
[INFO] [stdout]  --> src/sphere.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::material::{Dummy, Material};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write_color`
[INFO] [stdout]   --> src/main.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | use color::{Color, write_color};
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |       /// loop
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 59 | /     for a in -11..11 {
[INFO] [stdout] 60 | |         for b in -11..11 {
[INFO] [stdout] 61 | |             let choose_mat = random_double();
[INFO] [stdout] 62 | |             let center = Point3::new(
[INFO] [stdout] ...  |
[INFO] [stdout] 87 | |     }
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     /// loop
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 90 |     let material1 = Rc::new(Dielectric::new(1.5));
[INFO] [stdout]    |     ---------------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rec`
[INFO] [stdout]   --> src/material.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rec`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r_in`
[INFO] [stdout]   --> src/material.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn scatter(&self, r_in: &Ray, rec: &HitRecord) -> Option<(Color, Ray)> {
[INFO] [stdout]    |                       ^^^^ help: if this is intentional, prefix it with an underscore: `_r_in`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit_sphere` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn hit_sphere(center: Point3, radius: f64, r: &Ray) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ray_color` is never used
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn ray_color(r: Ray, world: &impl Hittable) -> Color {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/camera.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Camera {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 12 |     pub aspect_ratio: f64,      // 1.0
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub vfov: f64,              // 90
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 17 |     pub lookfrom: Point3,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub lookat: Point3,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |     pub vup: Vec3,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 20 |     pub defocus_angle: f64, // Variation angle of rays through each pixel
[INFO] [stdout] 21 |     pub focus_dist: f64,    // Distance from camera lookfrom point to plane of perfect focus
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     u: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 30 |     v: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 31 |     w: Vec3,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/hittable_list.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HittableList {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `EMPTY`, `UNIVERSE`, `size`, and `contains` are never used
[INFO] [stdout]   --> src/interval.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Interval {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout]  9 |     // constants
[INFO] [stdout] 10 |     pub const EMPTY: Interval = Interval {
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub const UNIVERSE: Interval = Interval {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn size(&self) -> f64 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn contains(&self, x: f64) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `albedo` is never read
[INFO] [stdout]   --> src/material.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Dummy {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 19 |     pub albedo: Color,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `infinity` is never used
[INFO] [stdout]  --> src/rtweekend.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const infinity: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `intensity` should have an upper case name
[INFO] [stdout]   --> src/color.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |     const intensity: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout]    |           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 21 -     const intensity: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout] 21 +     const INTENSITY: Interval = Interval::new(0.000, 0.999);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `infinity` should have an upper case name
[INFO] [stdout]  --> src/rtweekend.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const infinity: f64 = f64::INFINITY;
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper case: `INFINITY`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `pi` should have an upper case name
[INFO] [stdout]  --> src/rtweekend.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const pi: f64 = std::f64::consts::PI;
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 4 - pub const pi: f64 = std::f64::consts::PI;
[INFO] [stdout] 4 + pub const PI: f64 = std::f64::consts::PI;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "71ced7e9c8a93fd2312cee4ff3cecd51dbd182b731e20cf6409dc7a4bb22b6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ced7e9c8a93fd2312cee4ff3cecd51dbd182b731e20cf6409dc7a4bb22b6dd", kill_on_drop: false }`
[INFO] [stdout] 71ced7e9c8a93fd2312cee4ff3cecd51dbd182b731e20cf6409dc7a4bb22b6dd
